.login-container{
    width: 100%;
    height: calc(100% - 50px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-dialong{
    width: 400px;
    height: 400px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
}
.login-dialong h3{
    text-align: center;
    padding: 50px 0;
}
.login-dialong .row{
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-dialong .row span{
    display: block;
    width: 100px;
    font-weight: 700px;
}
#username,#password{
    width: 200px;
    height: 30px;
    font-size: 16px;
    line-height: 30px;
    padding: 10px 0;
    border-radius: 10px;
    border: none;
    outline: none;
    text-indent: 1em;
}
.row #submit{
    width: 300px;
    height: 50px;
    border-radius: 10px;
    color: white;
    background-color: rgb(0, 128, 0);
    border: none;
    outline: none;
    margin-top: 50px;
}
.row #submit:active{
    background-color: #666;
}